最近在linux系统下安装jcvi用来做共线性分析，安装时都很顺利，但是运行时总会报错。
MCscan报错信息：
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/jcvi/graphics/dotplot.py", line 357, in dotplot_main
title=opts.title, stdpf=(not opts.nostdpf))
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/jcvi/graphics/dotplot.py", line 235, in dotplot
sepcolor=sepcolor, minfont=minfont, stdpf=stdpf)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/jcvi/graphics/dotplot.py", line 79, in plot_breaks_and_labels
th = TextHandler(fig)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/jcvi/graphics/base.py", line 51, in __init__
self.build_height_array(fig)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/jcvi/graphics/base.py", line 65, in build_height_array
w, h = TextHandler.get_text_width_height(fig, size=i)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/jcvi/graphics/base.py", line 57, in get_text_width_height
tp = mpl.textpath.TextPath((0,0), txt, size=size, usetex=usetex)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/matplotlib/textpath.py", line 450, in __init__
usetex=usetex)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/matplotlib/textpath.py", line 530, in text_get_vertices_codes
verts, codes = text_to_path.get_text_path(prop, s, usetex=True)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/matplotlib/textpath.py", line 152, in get_text_path
glyph_info, glyph_map, rects = self.get_glyphs_tex(prop, s)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/matplotlib/textpath.py", line 305, in get_glyphs_tex
dviread.find_tex_file('pdftex.map'))
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/matplotlib/dviread.py", line 1045, in find_tex_file
stderr=subprocess.PIPE)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/subprocess32.py", line 614, in __init__
restore_signals, start_new_session)
File "/biosoft/python/Python-v2.7.11/lib/python2.7/site-packages/subprocess32.py", line 1393, in _execute_child
raise child_exception_type(errno_num, err_msg)
OSError: [Errno 2] No such file or directory: 'kpsewhich'
搜索查询后知道是linux中缺少kpsewhich命令导致的，于是安装该命令，方法如下：
sudo yum install tetex-latex tetex-doc tetex-fonts
sudo yum install texlive tex-live-latex
安装好后再次运行，顺利通过。
参考：https://tex.stackexchange.com/questions/289404/centos-latex-install-package-manually-no-tlmgr
